[1]杨成超,别婉丽,董雁,等.银白杨与白榆远缘杂交的研究银白杨与白榆远缘杂交的研究[J].西北林学院学报,2006,21(04):54-57.
　YANG Chengchao,BIE Wanli,DONG Yan,et al.A Study on the Distant Hybridization between Populus alba Linn. and Ulmus pumila Linn.[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2006,21(04):54-57.
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银白杨与白榆远缘杂交的研究银白杨与白榆远缘杂交的研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第21卷
期数:
2006年04期
页码:
54-57
栏目:
林木育种与培育
出版日期:
2006-08-30

文章信息/Info

Title:
A Study on the Distant Hybridization between Populus alba Linn. and Ulmus pumila Linn.
作者:
杨成超1; 别婉丽1; 董雁1; 杨志岩1; 王胜东1; 胡崇富2
1. 辽宁省杨树研究所，辽宁 盖州 115200；2. 辽宁省经济林研究所，辽宁 大连116031
Author(s):
YANG Chengchao1; BIE Wanli1; DONG Yan1; YANG Zhiyan1WANG Shengdong1; HU Chongfu2
1. Liaoning Provincial Institute of Poplar, Gaizhou, Liaoning 115200;2. Liaoning Research Institute of Economic Tree, Dalian, Liaoning 116031,China
关键词:
银白杨; 白榆; 远缘杂交; 胚离体培养 形态学标记; AFLP标记
Keywords:
Populus alba;  Ulmus pumila;  out crossing;  ovary culture; morphology marker; AFLP marker.
分类号:
S757.1
文献标志码:
A
摘要:
围绕银白杨、白榆、新疆杨以及银榆杨(银白杨×白榆)这四个树种进行了远缘杂交试验。结果表明通过花粉蒙导与未成熟胚离体培养技术，克服了科间远缘杂交障碍，获得了银白杨×白榆杂种苗。此外，银白杨×银榆杨、银白杨×新疆杨都得到了种子。银白杨×新疆杨效果较好，银白杨×银榆杨试验所得的成熟种子比较少，只占所得种子总数的25％，且成熟种子的发芽率为66.7％。由于银白杨×银榆杨的杂种苗生长羸弱，没能存活下来。这表明银榆杨花粉可育，只是育性差。形态学标记和AFLP标记结果表明，银榆杨属于偏母本融合型的杂种。银榆杨雌雄同株，且有同花序现象，在早花性、叶背面无毛、侧枝细弱，从这些性状上看，白榆的基因在银榆杨中得到了表达。
Abstract:
Out crossing experiment of Populus alba Linn., Ulmus pumila Linn., Populus alba var. Pyramidalis Bunge, P.×Yinyu（Populus alba Linn.×Ulmus pumila Linn.）were conducted. The results indicated that By using techniques of pollen inducement and puerile ovary culture，the out crossing barrier could be conquered and hybrids of Populus alba Linn.×Ulmus pumila Linn. were ibtaubed. In addition, Populus alba Linn.×(Populus alba Linn. ×Ulmus pumila Linn.) and Populus alba Linn.×Populus bolleana Lauche were succeeded. The results of Populus alba Linn.×Populus bolleana Lauche were better. Mature seeds of Populus alba Linn.×P.×Yinyu were a few, which only accounted for 25% of the total, germination rate of the mature seeds was 66.7%. Seedlings of Populus alba Linn.×P.×Yinyu died because they were too weak. These indicated that pollens of P.×Yinyu is vital, but it was weak. The results of AFLP and phenotype marker indicated that P.×Yinyu was more similar to female parent. But P.×Yinyu bloomed early, its twigs are slim and fragile, no hair on its leaf back, and it was androgynous, all of them were similar to Ulmus pumila Linn. It is true that P.×Yinyu contains genes of Ulmus pumila Linn.

参考文献/References:

［1］别婉丽.值得推广的新树种银×榆［J］.新农业，1990,(7)67.
［2］杨成超.银白杨×白榆亲子鉴定及子代利用研究［D］.中国林业科学研究院图书馆，2005.
［3］李善文.杨树杂交亲本与子代遗传变异及其分子基础研究［D］.北京北京林业大学图书馆，2004.
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［5］何承忠.毛白杨遗传多样性及起源研究［D］. 北京北京林业大学图书馆, 2005.
［6］朱之悌.林木遗传学基础［M］.北京中国林业出版社，1994.（上接第49页）

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备注/Memo

备注/Memo:
收稿日期：20051128修回日期：20060302基金项目：辽宁省“十五”科技攻关项目：杨树良种选育及某培技术研究。作者简介：杨成超(1975)，男，辽宁黑山人，硕士，从事杨树良种选育及栽培模式研究。
更新日期/Last Update: 2010-05-04